A circuit using an ideal OP-AMP is shown in the Figure.
Which of the following options gives the correct value of the current $I_\chi$ ?
Consider an ideal OP-AMP circuit as shown in the Figure.
The resistances $R_1=R_2=R_3=R_4=50 \mathrm{k} \Omega$.
The magnitude of the closed loop gain is $\_\_\_\_$ . (rounded off to two decimal places)
The opamps in the circuit shown are ideal, but have saturation voltages of ±10 V.
Assume that the initial inductor current is 0 A. The input voltage (Vi) is a triangular signal with peak voltages of ±2 V and time period of 8 μs. Which one of the following statements is true?
In the circuit below, the opamp is ideal.
If the circuit is to show sustained oscillations, the respective values of $R_1$ and the corresponding frequency of oscillation are ____.
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